webpack.config.js

/* eslint-disable no-undef,no-unused-vars */

const webpack = require('webpack')
const autoprefixer = require('autoprefixer')
const path = require('path')

const config = {
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
  },
  plugins: [
    new webpack.EnvironmentPlugin({
      NODE_ENV: 'development',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              [
                '@babel/preset-env',
                {
                  useBuiltIns: 'entry',
                  corejs: '3.0.1',
                  targets: '> 5%, not dead',
                },
              ],
              '@babel/preset-react',
            ],
            plugins: [
              '@babel/plugin-proposal-object-rest-spread',
              '@babel/plugin-syntax-dynamic-import',
              '@babel/plugin-proposal-class-properties',
            ],
          },
        },
      },
      {
        test: /\.scss$/,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              modules: true,
              localIdentName: '[name]-[local]--[hash:base64:5]',
            },
          },
          {
            loader: 'postcss-loader',
            options: {
              ident: 'postcss',
              plugins: () => [
                autoprefixer({
                  browsers: ['>5%', 'last 4 versions', 'not ie < 11'],
                }),
              ],
            },
          },
          {
            loader: 'sass-loader',
            options: {
              data: '@import "./base";',
              includePaths: [path.resolve(__dirname, './src/styling')],
            },
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  devServer: {
    historyApiFallback: true,
    contentBase: path.join(__dirname, 'dist'),
  },
}

module.exports = config